LTC4270BIUKG#PBF

Overview

The LTC4270BIUKG#PBF is a Power Sourcing Equipment (PSE) controller designed for IEEE 802.3at Type 1 and Type 2 applications. It supports up to 12 ports within a single package, facilitating high-density PoE deployments. The device integrates power delivery control logic with comprehensive telemetry capabilities, including input current, voltage, and power monitoring. It operates as part of the LTC4270/LTC4271 chipset, ensuring compliance with standard PoE, PoE+, and LTPoE++ specifications for robust network power distribution.

Feature Summary

• Integrates control logic for up to 12 PoE ports in a compact form factor
• Provides detailed telemetry for input current, voltage, and total power consumption
• Supports multiple IEEE standards including 802.3af, 802.3at, and LTPoE++

Applications

• High-density Power over Ethernet switches
• IEEE 802.3at Type 1 and Type 2 PSE implementations
• Network infrastructure requiring integrated power management and telemetry

Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm the specific suffix matches the required packaging and temperature grade. Ensure compatibility with existing PCB footprints and thermal management designs before finalizing procurement orders.

Selection Notes

Select this controller for designs requiring multi-port PoE integration with built-in power monitoring. It is suitable for applications needing support for both legacy PoE and higher-power Type 2 standards. Evaluate thermal requirements based on the total port count and expected load conditions.

Part Context

This component belongs to the LTC4270/LTC4271 chipset family from Analog Devices. These controllers are engineered specifically for Power Sourcing Equipment in Ethernet networks. The series enables manufacturers to build compliant, efficient, and manageable PoE systems without external complex control circuitry.

Replacement Considerations

LTC4270AIUKG#PBF serves as a verified alternative within the same chipset family.